.foot{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    .foot_top{
        a{
            float: left;
            width: 33.33%;
            border-right: 1px solid gray;
            border-top: 1px solid gray;
            border-bottom: 1px solid gray;
            img{
                height: .3rem;
                width: .3rem;
                background-size: .3rem .3rem;
            }
        }
    }
    .foot_bottom{
        p{
            .app_down{}
            .app_phone{}
        }
    }
}